Power Systems Which of the following transformer is used in sub station for operating a protective relay? auto transformer All of these capacitor voltage transformer distribution transformer auto transformer All of these capacitor voltage transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 730 MW. 740 MW. 720 MW. 710 MW. 730 MW. 740 MW. 720 MW. 710 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. produce surge in the pipeline. relieve water hammer pressure in the penstock. supply water at constant pressure. none of above. produce surge in the pipeline. relieve water hammer pressure in the penstock. supply water at constant pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 102.5 95.5 85.5 105.2 102.5 95.5 85.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. remain same None of these less more remain same None of these less more ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all internal faults protection of a transformer against all external faults both 1 and 2 nether 1 nor 2 protection of a transformer against all internal faults protection of a transformer against all external faults both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP